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From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: calling argumentless function with argument
Date: Sun, 06 Jan 2019 04:34:46 -0800
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Bart <bc@freeuk.com> writes:
> On 06/01/2019 11:58, Pascal J. Bourguignon wrote:
[...]
>>      printf("%.*s",strlen(arg),arg);
>> 
>> is one of the dumbest forms you can find.  It should be written:
>> 
>>      printf("%s",arg);

I'd use fputs(arg, stdout) but there's something to be said for the
simplicity of using printf consistently.

> So why did you use:
>
>        write(0,arg,strlen(arg));
>
> in your code; what's the strlen(arg) for?

write() (which is defined by POSIX, not by C) doesn't work with
null-terminated strings, so the strlen() is necessary.  (I'm not
addressing the decision to use write() rather than a standard C output
function).

[...]

-- 
Keith Thompson (The_Other_Keith) kst@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
"We must do something.  This is something.  Therefore, we must do this."
    -- Antony Jay and Jonathan Lynn, "Yes Minister"